JPH0279683U - - Google Patents
Info
- Publication number
- JPH0279683U JPH0279683U JP15971688U JP15971688U JPH0279683U JP H0279683 U JPH0279683 U JP H0279683U JP 15971688 U JP15971688 U JP 15971688U JP 15971688 U JP15971688 U JP 15971688U JP H0279683 U JPH0279683 U JP H0279683U
- Authority
- JP
- Japan
- Prior art keywords
- reproduced
- color signal
- signal level
- reproduced color
- constant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を示すブロツク図、
第２図はＡＣＣ回路の信号波形説明図を、それぞ
れ顕わす。
９……第１ＡＣＣ回路、１６……第２ＡＣＣ回
路、１７……第１ＡＣＣ検波回路、２０……第２
ＡＣＣ検波回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 shows explanatory diagrams of signal waveforms of the ACC circuit. 9...First ACC circuit, 16...Second ACC circuit, 17...First ACC detection circuit, 20...Second
ACC detection circuit.
Claims (1)
を形成し、再生低域変換カラー信号を高域変換し
て再生カラー信号を形成するビデオテープレコー
ダに於て、 前記再生カラー信号のバースト信号レベルを短
かい時定数回路を含む検波回路にて検出して再生
カラー信号レベルを一定にすべく制御する第１Ａ
ＣＣループと、 前記第１ＡＣＣループの後段に於て前記再生カ
ラー信号のバースト信号レベルを長い時定数回路
を含む検波回路にて検出して再生カラー信号レベ
ルを一定にすべく制御する第２ＡＣＣループとを
、 それぞれ配して成るカラー信号レベル制御回路
。[Claims for Utility Model Registration] In a video tape recorder that performs FM demodulation of a reproduced FM luminance signal to form a reproduced luminance signal, and converts a reproduced low frequency converted color signal to a high frequency band to form a reproduced color signal, A first A that detects the burst signal level of the reproduced color signal with a detection circuit including a short time constant circuit and controls the reproduced color signal level to be constant;
a second ACC loop that detects the burst signal level of the reproduced color signal with a detection circuit including a long time constant circuit at a stage subsequent to the first ACC loop and controls the reproduced color signal level to be constant; A color signal level control circuit consisting of the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15971688U JPH0279683U (en) | 1988-12-07 | 1988-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15971688U JPH0279683U (en) | 1988-12-07 | 1988-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0279683U true JPH0279683U (en) | 1990-06-19 |
Family
ID=31441158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15971688U Pending JPH0279683U (en) | 1988-12-07 | 1988-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0279683U (en) |
-
1988
- 1988-12-07 JP JP15971688U patent/JPH0279683U/ja active Pending
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